Made Of Stainless Steel With Copper Plated Inner. Double Wall Construction For Insulation Of Hot Or Cold Liquids. Vacuum Insulated . Keeps Drinks Cold Up To 12+ Hours And Hot Up To 3+ Hours . Snap On, Spill-Resistant Thumb-Slide Lid With Removable Slider For Easy Cleaning . Perfect For Beach Lovers . Features Plastic Comfort-Grip Handle . Non-Slip, Scratch Free Silicone Base. Condensation Free . Cup Holder Friendly. Swig Life™ Is A Certified SWaM Owned Business. Women Owned . Meets FDA Requirements . BPA Free.